diff --git a/CHANGES.txt b/CHANGES.txt
index 2b7530fe75..fc643adf16 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
3.11.3
+ * Update metrics to 3.1.5 (CASSANDRA-12924)
* Detect OpenJDK jvm type and architecture (CASSANDRA-12793)
* Don't use guava collections in the non-system keyspace jmx attributes (CASSANDRA-12271)
* Allow existing nodes to use all peers in shadow round (CASSANDRA-13851)
diff --git a/build.xml b/build.xml
index 9d25d6b9b7..f8cdf827c0 100644
--- a/build.xml
+++ b/build.xml
@@ -427,8 +427,8 @@
-
-
+
+
diff --git a/lib/licenses/metrics-core-3.1.0.txt b/lib/licenses/metrics-core-3.1.5.txt
similarity index 100%
rename from lib/licenses/metrics-core-3.1.0.txt
rename to lib/licenses/metrics-core-3.1.5.txt
diff --git a/lib/licenses/metrics-jvm-3.1.0.txt b/lib/licenses/metrics-jvm-3.1.5.txt
similarity index 100%
rename from lib/licenses/metrics-jvm-3.1.0.txt
rename to lib/licenses/metrics-jvm-3.1.5.txt
diff --git a/lib/licenses/metrics-logback-3.1.0.txt b/lib/licenses/metrics-logback-3.1.5.txt
similarity index 100%
rename from lib/licenses/metrics-logback-3.1.0.txt
rename to lib/licenses/metrics-logback-3.1.5.txt
diff --git a/lib/metrics-core-3.1.0.jar b/lib/metrics-core-3.1.0.jar
deleted file mode 100644
index 564ffb778e..0000000000
Binary files a/lib/metrics-core-3.1.0.jar and /dev/null differ
diff --git a/lib/metrics-core-3.1.5.jar b/lib/metrics-core-3.1.5.jar
new file mode 100644
index 0000000000..5e6aed8dda
Binary files /dev/null and b/lib/metrics-core-3.1.5.jar differ
diff --git a/lib/metrics-jvm-3.1.0.jar b/lib/metrics-jvm-3.1.5.jar
similarity index 64%
rename from lib/metrics-jvm-3.1.0.jar
rename to lib/metrics-jvm-3.1.5.jar
index 1e941f8360..9fa80302d6 100644
Binary files a/lib/metrics-jvm-3.1.0.jar and b/lib/metrics-jvm-3.1.5.jar differ
diff --git a/lib/metrics-logback-3.1.0.jar b/lib/metrics-logback-3.1.0.jar
deleted file mode 100644
index ce0bfbebc8..0000000000
Binary files a/lib/metrics-logback-3.1.0.jar and /dev/null differ
diff --git a/lib/metrics-logback-3.1.5.jar b/lib/metrics-logback-3.1.5.jar
new file mode 100644
index 0000000000..25ac7a95c1
Binary files /dev/null and b/lib/metrics-logback-3.1.5.jar differ